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Pan, Z; Cui, ZF; Chang, CH; Zong, HS; Pan, Z (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
Language英语
KeywordPnjl Model Qcd Phase Transitions Critical Exponents Finite-volume Effects
AbstractTo investigate the finite-volume effects on the chiral symmetry restoration and the deconfinement transition for a quantum chromodynamics (QCD) system with N-f = 2 (two quark flavors), we apply the Polyakov-loop extended Nambu Jona-Lasinio model by introducing a chiral chemical potential mu(5) artificially. The final numerical results indicate that the introduced chiral chemical potential does not change the critical exponents, but shifts the location of critical end point (CEP) significantly; the ratios for the chiral chemical potentials and temperatures at CEP, mu(c)/mu(5c) and T-c/T-5c, are significantly affected by the system size R. The behavior is that TT increases slowly with mu(5) when R is "large" and T-c decreases first and then increases with mu(5) when R is "small." It is also found that for a fixed mu(5), there is a R-min, where the critical end point vanishes and the whole phase diagram becomes a crossover when R < R-min. Therefore, we suggest that for the heavy-ion collision experiments, which is to study the possible location of CEP, the finite-volume behavior should be taken into account.
2017
Volume32Issue:13Pages:1750067
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1142/S0217751X17500671
Funding OrganizationNational Natural Science Foundation of China [11275243, 11535002, 11447601, 11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275243, 11535002, 11447601, 11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275243, 11535002, 11447601, 11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275243, 11535002, 11447601, 11275097, 11475085, 11535005] ; China Postdoctoral Science Foundation [2015M581765] ; China Postdoctoral Science Foundation [2015M581765] ; China Postdoctoral Science Foundation [2015M581765] ; China Postdoctoral Science Foundation [2015M581765] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22057
Collection理论物理所科研产出_SCI论文
Corresponding AuthorPan, Z (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Pan, Z,Cui, ZF,Chang, CH,et al. Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2017,32(13):1750067.
APA Pan, Z,Cui, ZF,Chang, CH,Zong, HS,&Pan, Z .(2017).Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,32(13),1750067.
MLA Pan, Z,et al."Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 32.13(2017):1750067.
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